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84 Cards in this Set
- Front
- Back
- 3rd side (hint)
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# Of Elements |
113 |
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# Of Synthetic Elements |
23 |
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What is chemistry the study of? |
Study of Matter & Changes it undergoes |
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Matter - Definition |
Anything w/ mass that takes up space |
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Elements - Definition |
Made of 1 thing from periodic table |
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Compounds - Definition |
Combination of 2+ Elements |
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What is a mixture made up of? |
Mix of both elements and compounds |
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Atomic Theory |
The belief all matter is made up of atoms/combinations of atoms |
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What are atoms? |
-Smallest particle of element -Neutral Charge |
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True or False - Atoms are Electrically Neutral |
True |
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Nucleus - Definition |
-Center of atom -Positivley charged |
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What makes up most of an atoms mass? |
The nucleus |
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Electrons |
Orbits nucleus |
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Atomic Mass Formula |
AM = p+ + n |
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WHIMIS Abbreviation |
Workplace Hazardous Material Information System |
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What is WHIMIS? |
Symbols for dangerous substances you can't get over the counter |
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Dangerously Reactive Materials |
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Corrosive Material |
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Biohazardous Infectious Material |
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Poisonous and Infectious Material (Insta Death/Harm) |
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Poisonous and Infectious Material (Causing other toxic effects) |
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Oxidizing Material (easily flammable in oxygen) |
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Compressed Gas |
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Flammable & Combustible Material |
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Hazardous Household Product Symbols |
Self explanatory |
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Poison |
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Corrosive |
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Explosive |
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Flammable |
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What info is included with WHIMIS products? |
-First aid/safety info -Storage info -Reccomended PPE -Cleaning/Handling info |
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What does MSDS Stand for? |
Material Safety Data Sheet |
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Mixtures - Mechanical |
Individual parts are easily seen and separated |
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Mixtures - Solution |
Combined, looks like one uniform substance |
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Solute |
-Material being dissolved -Smaller Quantities |
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Solvent |
-Material doing the dissolving -Larger Quantities |
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Pure Substances Type - Element |
Made of one single element |
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What is a compound? |
-Made of 2 or more elements -Pure Substance |
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Pure Substances Types |
Elements & Compounds |
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Mixtures Types |
Mechanical & Solution |
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Homogeneous |
Visually distinguishable components |
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Heterogenous |
Appear uniform |
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Dalton's Model |
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Planetary Model |
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Thomson's Plum Pudding Model |
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Electron Cloud Model |
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The Bohr Model |
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Thomson's Plum Pudding Model |
-1st scientist to find out about + and - charges -Sphere of positive charge w/ negative charges embedded inside |
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Dalton's Model Info |
AKA Hard sphere/billiard ball model -Solid Spheres w/ no internal structure |
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Planetary Model of an Atom |
AKA Rutherford/nuclear Model -Small nucleus contains most of mass w/ negative electrons randomly orbiting -Mostly empty space |
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The Bohr Model |
-Elecyrons orbit at specific fixed distances |
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Electron Cloud Model |
AKA Quantum Mechanical Model -Most Accurate -Location predicted with probability and statistics
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What is a group/family? |
Vertical Rows on periodic table -Similar Traits |
numbered in the booklet |
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What are periods? |
Horizontal rows |
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Alkali Metal - Location |
Group 1 |
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Alkali Metal - Definition |
Highly reactive metal element |
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Alkali Earth Metals - Location |
Group 2 |
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Alkali Earth Metal - Definition |
Shiny, white, semireactive elements |
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Halogens - Location |
Group 17 |
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Halogens - Definition |
Reactive Non-Metals |
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Nobel Glasses - Location |
Group 18 |
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Most Reactive Metal |
Fr - Francium |
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Most Reactive Non-Metal |
F - Fluorine |
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Metals Characteristics |
-Good heat and electricity conductors -Solid at room temp -Positive Ions |
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Non-Metals Characteristics |
-Poor conductors -Can be Solid, liquid or gas at room temp -Negative Ions |
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Metalloids Characteristics |
-Have properties of both metals and non metals -May or may not form ions |
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Valence Electrons - Definition |
# of electrons in outermost level |
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Valence Electrons & Groups |
#of electrons in outermost level = group number ex) Element in group 2=2 Ve- |
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Energy levels & Periods |
# of energy levels occupied by electrons = period # |
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What are ions? |
atoms w/ a charge due to loss/gain if electrons -either always results in full valence level |
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Loss of electrons = ? |
Positive Ion |
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Gain of electrons = ? |
Negative Ion |
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What are Cations? |
Positive Ions |
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Metal Ions - Name change |
Name doesn't change, only becomes [Element] Ion ex) Iron Ion |
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What forms negative ions by gaining electrons on their outside level? |
non metal Ions |
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Anions |
Negative Ions |
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Non Metal Ions - Name Change |
"Ide" is attached to ending ex) Fluorine = Fluoride |
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Why are ions gained or lost? |
To become more stable |
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Who created the 1st periodic table? |
Dimitri Mendeleev |
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What are transition metals? |
The metals between alkaline earth metals and metalloids |
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What determines the size/volume of an atom |
The Electrons |
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Are negative ions gained or lost? |
Gained |
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Are positive Ions gained or lost? |
Lost |
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What loses their outside levels? |
Metals |
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What fills their outside levels? |
Non Metals |
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